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skos:definition |
GO: A thin sheet of proteoglycans and glycoproteins, especially laminin, secreted by cells as an extracellular matrix. [ISBN:0198547684],CSP: filamentous, ultramicroscopic layer that occurs at the base of epithelial cells and around muscle cells and nerve fibers; subdivision of basement membrane.,NCI: A layer of extracellular matrix found beneath epithelial tissues. It is secreted by epithelial cells and comprised of proteoglycans, laminin and type IV collagen.
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